| Katy to Willow Grove (Pennsylvania) | 1,368.87 mi (2,202.98 km) |
| Katy to Willowbrook (California) | 1,342.31 mi (2,160.24 km) |
| Katy to Willowick (Ohio) | 1,145.53 mi (1,843.56 km) |
| Katy to Wilmette (Illinois) | 961.36 mi (1,547.16 km) |
| Katy to Wilmington (Delaware) | 1,336.70 mi (2,151.21 km) |
| Katy to Wilmington (North Carolina) | 1,093.41 mi (1,759.67 km) |
| Katy to Wilmington (Ohio) | 952.99 mi (1,533.69 km) |
| Katy to Wilmington Island (Georgia) | 893.44 mi (1,437.86 km) |
| Katy to Wilson (North Carolina) | 1,116.35 mi (1,796.59 km) |
| Katy to Wilsonville (Oregon) | 1,809.61 mi (2,912.29 km) |
| Katy to Wilton Manors (Florida) | 989.15 mi (1,591.88 km) |
| Katy to Wimauma (Florida) | 831.91 mi (1,338.83 km) |
| Katy to Winchester (Kentucky) | 874.98 mi (1,408.14 km) |
| Katy to Winchester (Nevada) | 1,199.09 mi (1,929.75 km) |
| Katy to Winchester (Virginia) | 1,193.30 mi (1,920.43 km) |
